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class Match {
public range(): any {
return undefined;
}
}
class FileMatch {
public resource(): any {
return undefined;
}
}
type FileMatchOrMatch = FileMatch | Match;
let elementA: FileMatchOrMatch, elementB: FileMatchOrMatch;
if (elementA instanceof FileMatch && elementB instanceof FileMatch) {
let a = elementA.resource().path;
let b = elementB.resource().path;
} else if (elementA instanceof Match && elementB instanceof Match) {
let a = elementA.range();
let b = elementB.range();
}
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